2018版高中英语人教版必修二：Unit5UsingLanguage.

Unit5 Using Language 重难点词汇详解1. brief adj. 短暂的，短时间的，简短的，简洁的n. 摘要，大纲in brief=to be brief 简而言之briefly adv. 简短地，简单地教材原文Not long after Freddy and the band became famous, they visited Britain on a brief tour. 在弗雷迪和这个乐队成名后不久，他们就在英国进行了一次短暂的巡回演出。

经典例句①At the meeting Mr. Brown made a brief speech, short but to the point.布朗先生在会上做了一个简短的演讲，言简意赅。

②Please be brief because I am in a hurry.我有急事，请长话短说。

③He drew up a brief for his speech.他起草了一份讲话提纲。

④To be brief/In brief, the meeting was a disaster.简言之，那个会议糟糕透了。

⑤Would you please briefly introduce yourself?请你做个简单的自我介绍，好吗?温馨提示表示“总之”的其他短语：in all, in short, in sum, in a word, in summary, briefly speaking, in one word2. devotion n. 热爱，投入，奉献，忠诚，关爱devote vt. 致力，献身devote…to…把……用于……devote oneself to…致力于……，专注于……devoted adj. 忠诚的，挚爱的教材原文Fans showed their devotion by waiting for hours to get tickets for their concerts. 歌迷们表现出了极大的热情，等候几个小时买他们音乐会的票。

选择性必修一Unit 5 Using Language【Teaching Objectives:】1.To educate students about the differences between chemical and organic farming methods.2.To enable students to understand the environmental and health implications of chemical farming.3.To promote critical thinking and discussion about sustainable agricultural practices.【Teaching Key and Difficult Points:】1.Explaining the advantages and disadvantages of chemical farming.2.Discussing the principles and benefits of organic farming.Teaching Procedures:Step 1: PrereadingBegin the class by asking students what they know about farming methods and if they've heard about chemical and organic farming. Encourage a brief discussion to assess their prior knowledge.Step 2: While readingActivity 1. Ask students to read this article carefully and identify key points about chemical and organic farming. Afterward, facilitate a class discussion with the following questions:1.What are chemical pesticides and artificial fertilizers?2.How have they been used in farming, and what were the initial benefits?3.What are the potential harms associated with their longterm use?4.What is organic farming, and how does it differ from chemical farming?Activity 2. Divide the class into small groups and assign each group either "Chemical Farming" or "Organic Farming." Have each group list the pros and cons of their assigned farming method. Encourage them to think critically about the environmental and health impacts.Activity 3. Organize a class debate where students from the "Chemical Farming" group and the "Organic Farming" group present their findings. Encourage them to use evidence from the article and their group activity to support their arguments.Step 3: PostreadingAsk students to reflect on the debate and consider the challenges of finding a balance between providing enough food and maintaining environmental and human health. Conclude the lesson by emphasizing the importance of sustainable farming practices.Homework Assignment:Assign students to research and write a short essay on their chosen farming method (chemical or organic) based on the information from the class and additional research. They should include their own thoughts on the topic.。